高MCM6表达促进增殖,并与三阴性乳腺癌的不良预后相关
1Department of Surgical Oncology, Provincial Clinical College of Fujian Medical University, Fuzhou, China. wangqingshui@fjnu.edu.cn.
European review for medical and pharmacological sciences
|April 19, 2024
概括
微染色体维护基因 (MCMs) 在三阴性乳腺癌 (TNBC) 中过度表达,高MCM6与预后不佳有关. 使用MCM6相关基因的新风险模型可能有助于TNBC治疗策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 三阴性乳腺癌 (TNBC) 是一种具有攻击性的亚型,治疗选择有限,预后不佳.
- 微染色体维护基因 (MCM2-7),对于DNA复制至关重要,与各种癌症有关,但在TNBC中未得到充分研究.
- 了解MCM基因角色可以识别TNBC的新生物标志物和治疗点.
研究的目的:
- 研究TNBC中MCM2-7基因的表达和预后意义.
- 阐明MCM6在TNBC细胞增殖中的功能作用及其与细胞周期的关联.
- 开发基于MCM6相关基因的TNBC患者生存预测风险模型.
主要方法:
- 在四个与TNBC相关的GEO数据库中分析MCM2-7基因表达.
- 单细胞分析和基因组丰富分析 (GSEA) 探索MCM6功能.
- 使用CCK8试验和癌症依赖地图数据评估MCM6对TNBC细胞增殖的影响.
- 使用WGCNA和LASSO考克斯回归构建一个风险评分模型.
主要成果:
- 与正常的邻近组织相比,TNBC组织中的MCM2-7基因被显著上调.
- 高MCM6表达与TNBC患者的生存时间缩短相关,并与细胞循环通路激活有关.
- 抑制MCM6抑制了TNBC细胞的增殖.
- 结合MCM6,CDC23和CCNB1的预测风险模型在预测TNBC患者存活率方面表现出有效性.
结论:
- 在TNBC中MCM6的过度表达与更糟糕的预后有关,并导致细胞增殖的增加.
- Knockdown 的 MCM6 抑制 TNBC 细胞增殖,表明其作为治疗点的潜力.
- 一种基于MCM6和相关基因的新型风险评分模型可以预测TNBC患者的预后,为改善治疗策略提供了潜力.
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